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241119s2024 xx |||||o 00| ||eng c |
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|a 10.1093/jxb/erae452
|2 doi
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|a (PII)erae452
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|a DE-627
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|a eng
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|a Shi, Yanying
|e verfasserin
|4 aut
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|a Innovative modeling on the effects of low-temperature stress on rice yields
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 18.11.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © The Author(s) 2024. Published by Oxford University Press on behalf of the Society for Experimental Biology. All rights reserved. For commercial re-use, please contact reprintsoup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink service via the Permissions link on the article page on our site—for further information please contact journals.permissions@oup.com.
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|a The increasing frequency and intensity of low-temperature events in temperate and cold rice production regions threaten rice yields under climate change. While process-based crop models can project climate impacts on rice yield, their accuracy under low-temperature conditions has not been well-evaluated. Our six-year chamber experiments revealed that low temperatures reduce spikelet fertility from panicle initiation to flowering, grain number per spike during panicle development, and grain weight during grain filling. We examined the algorithms of spikelet fertility response to temperature used in crop models. Results showed that simulation performance is poor for crop yields if the same function was used at different growth stages outside the booting stage. Indeed, we replaced a parameter spikelet fertility algorithm of the ORYZA model and developed the function of estimating grain number per spike and grain weight. After that, the improved equation algorithm was applied to 10 rice growth models. New functions considered the harmful effects of low temperatures on rice yield at different stages. In addition, the threshold temperatures of the cold tolerance were set for different rice varieties. The improved algorithm enhances the model's ability to simulate rice yields under climate change, providing a more reliable tool for adapting rice production to future climatic challenges
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|a Journal Article
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|a Rice
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|a different growth stages
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|a low temperature
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|a model improvement
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|a spikelet fertility
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| 650 |
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|a yield
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|a Ma, Haoyu
|e verfasserin
|4 aut
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|a Li, Tao
|e verfasserin
|4 aut
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|a Guo, Erjing
|e verfasserin
|4 aut
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|a Zhang, Tianyi
|e verfasserin
|4 aut
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|a Zhang, Xijuan
|e verfasserin
|4 aut
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|a Yang, Xianli
|e verfasserin
|4 aut
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|a Wang, Lizhi
|e verfasserin
|4 aut
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| 700 |
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|a Jiang, Shukun
|e verfasserin
|4 aut
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| 700 |
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|a Deng, Yuhan
|e verfasserin
|4 aut
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| 700 |
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|a Guan, Kaixin
|e verfasserin
|4 aut
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| 700 |
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|a Li, Mingzhe
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Zhijuan
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Xiaoguang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of experimental botany
|d 1985
|g (2024) vom: 18. Nov.
|w (DE-627)NLM098182706
|x 1460-2431
|7 nnas
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| 773 |
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|g year:2024
|g day:18
|g month:11
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|u http://dx.doi.org/10.1093/jxb/erae452
|3 Volltext
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